Diablo DCTTRI060P10G Detail 2-7/8" x 2-7/8" Triangle Stick Fast 60 Grit (10-Pack) 2-7/8-inch by 2-7/8-inch 60-grit paper Premium aluminum oxide blend, a superior quality formulation designed for fast material removal and long sanding life Stickfast backing, an industrial-grade Pressure Sensitive Adhesive (PSA) backing for a strong and secure bond Clog-SHIELD, high performance stearate coating that reduces pitch build-up and clogging for maximum productivity